Reviewed in real water · updated October 2026As an Amazon Associate we earn from qualifying purchases.
Speedo Endurance+ One Piece Swimsuit1 / 3

One-Pieces · All-round swimming

Speedo Endurance+ One Piece Swimsuit

by Speedo

The Speedo Endurance+ One Piece is a reliable, durable swimsuit built for serious lap swimmers and frequent pool users.

4.5
Shore Trim score
  • Fit9.2
  • Fabric8.9
  • Comfort8.6
  • Value8.5
  • Chlorine resistant fabric
  • Shape retention swim
  • UPF 50+ protection
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Material
50% PBT Polyester, 50% Polyester Endurance+ blend
UV Protection
UPF 50+
Fit Type
Racerback, Moderate Leg

01Overview

The Speedo Endurance+ one piece swimsuit is built for swimmers who want performance and durability without sacrificing comfort in the water. Crafted from Speedo's signature Endurance+ fabric, this suit resists the damaging effects of chlorine exposure, meaning it won't thin, sag, or fade even after months of regular lap swimming. The material maintains its shape and color far longer than standard swimwear fabrics, making it a favorite among competitive swimmers, fitness enthusiasts, and swim team members who are in the pool several times a week. The snug, supportive fit moves with the body, reducing drag and allowing for a streamlined silhouette whether you're doing freestyle sprints or an easy recovery swim.

Beyond its chlorine resistance, the Endurance+ one piece is designed with practical features that matter to serious swimmers. The racerback or thick-strap styles (depending on the specific cut chosen) offer excellent shoulder mobility, so arm rotation feels unrestricted during continuous strokes. The fabric also provides UPF 50+ sun protection, an added benefit for those who train outdoors or swim in open water under direct sunlight. The suit's construction includes flatlock seams that minimize chafing during long training sessions, and the compressive yet flexible fit helps swimmers feel secure and supported without feeling overly tight or restrictive, even during high-intensity workouts.

Available in a range of solid colors and classic prints, the Speedo Endurance+ one piece suits both aesthetic preference and functional need, appealing to swimmers who want a suit that performs as reliably as it looks. It's a popular choice for swim lessons, lap swimming, triathlon training, and recreational pool days alike, since it transitions easily from structured workouts to casual beach or poolside wear. Many loyal swimmers return to this style season after season because of its consistent fit and reliable longevity compared to cheaper alternatives that degrade quickly. For anyone serious about spending real time in the water, this one piece swimsuit offers a dependable blend of comfort, protection, and lasting wearability.

02Key features

  1. 01Endurance+ chlorine-resistant fabric
  2. 02Flatlock seams reduce chafing
  3. 03Racerback design for shoulder freedom
  4. 04UPF 50+ sun protection
  5. 05Soft inner lining for comfort
  6. 06Four-way stretch fabric retains shape

03Pros & cons

What we like

  • Extremely durable against chlorine damage
  • Maintains shape wash after wash
  • Comfortable flat seams prevent irritation
  • Great range of motion for swimming laps
  • Wide range of sizes and color options
  • Fast drying fabric

Watch out for

  • Limited high-fashion styling options
  • Fabric can feel snug on first wear
  • Not ideal for high-impact water sports like surfing
  • Higher price point than basic swimsuits

04Specifications

Material50% PBT Polyester, 50% Polyester Endurance+ blend
UV ProtectionUPF 50+
Fit TypeRacerback, Moderate Leg
Available SizesUS 4 to 24
Care InstructionsRinse after each use, hand wash recommended
4.5out of 5

The verdict

The Speedo Endurance+ One Piece is a reliable, durable swimsuit built for serious lap swimmers and frequent pool users. Its chlorine-resistant fabric and supportive racerback design make it a long-lasting choice, though those seeking trendy beachwear styles may want to look elsewhere.

Check price on Amazon

As an Amazon Associate we earn from qualifying purchases. Scores are Shore Trim editorial ratings.